That reduces both the threat from the primary tumour and the risk that it will metastasise, spreading secondary tumours around a patient's body.
这减少了来自原发性肿瘤的威胁，也降低了肿瘤转移，将次发性肿瘤传遍患者全身的风险。
2
It is not the primary tumour that kills, but secondary growths elsewhere in the body.
致命的并不是原发肿瘤，而是在身体其他部位的继发。
《柯林斯英汉双解大词典》
3
Some people suspect that poking around in a tumour in this way dislodges cells that may then travel to other parts of the body and create secondary cancers.